-1i is the principal fourth root of 1
Answer:
10
Step-by-step explanation:
multiplying each fraction by 10 gets of the fraction form
1/2 * 10 = 5
1/5x * 10 = 2x
3/10x * 10 = 3x
4/5 * 10 = 8
Answer:
360 mg.
Step-by-step explanation:
The medicine has a decay rate of 40% in 25 hours, which means after 24 hours its amount will be 100% - 40% = 60% it's original value.
Let us call the number of hours passed and the number of 24-hours passed, then we know that
.
Now, the amount of medicine left after time (<em>d</em>th 24-hour) will be
and since , we have
We now use this equation to find the final amount after :
-6.875 is greater because it is closer to zero (being positive). Think about it as the opposite way or positive numbers. If they were both positive, the answer would be 6.89, because they are greater than zero.
Answer:
3
Step-by-step explanation:
i double checked